An urn contains 7 blue and 3 yellow chips. If the drawing of chips is done with replacement, determine the probability of:

(a) drawing three yellow chips.
(b) drawing a blue chip on the first draw and a yellow chip on the second draw.

(c) drawing a blue chip on the second draw given that a yellow chip was drawn on the first draw.
(d) drawing a yellow chip on the second draw given that a blue chip was drawn on the first draw.
(e) drawing a yellow chip on the second draw given that a yellow chip was drawn on the first draw.


(a) 0.027 (b) 0.210 (c) 0.700 (d) 0.300 (e) 0.300

Business

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